Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 5 times. MIP Presolve eliminated 191344 rows and 35354 columns. MIP Presolve modified 23975 coefficients. Aggregator did 1267 substitutions. Reduced MIP has 61914 rows, 11329 columns, and 245103 nonzeros. Presolve time = 4.48 sec. Clique table members: 10634. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.61 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 170 -2928.2222 1637 * 0+ 0 -2920.0000 -2928.2222 1637 0.28% * 0 0 integral 0 -2927.0000 Cuts: 176 1707 0.00% 0 0 cutoff -2927.0000 -2927.0000 1707 0.00% GUB cover cuts applied: 1 Clique cuts applied: 25 Implied bound cuts applied: 15 Zero-half cuts applied: 14 Gomory fractional cuts applied: 13 >>>>>>> Objval = -2927.000000 (int)-2927 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective 1609.0000. Tried aggregator 5 times. MIP Presolve eliminated 191332 rows and 35345 columns. MIP Presolve modified 23975 coefficients. Aggregator did 1264 substitutions. Reduced MIP has 61929 rows, 11341 columns, and 248057 nonzeros. Presolve time = 4.47 sec. Clique table members: 10609. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 9.93 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 401.8794 710 1609.0000 401.8794 13430 75.02% 0 0 535.0000 18 1609.0000 Cuts: 415 13666 66.75% * 0+ 0 537.0000 535.0000 13666 0.37% 0 0 cutoff 537.0000 535.0000 13668 0.37% Elapsed time = 16.23 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 107 Cover cuts applied: 3 Implied bound cuts applied: 43 Zero-half cuts applied: 40 Gomory fractional cuts applied: 7 >>>>>>> Objval = 537.000000 (int)537 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective 2398.0000. Tried aggregator 5 times. Presolve has eliminated 190770 rows and 35125 columns... Aggregator has done 1212 substitutions... MIP Presolve eliminated 190770 rows and 35125 columns. MIP Presolve modified 24004 coefficients. Aggregator did 1212 substitutions. Reduced MIP has 62543 rows, 11613 columns, and 256256 nonzeros. Presolve time = 5.25 sec. Clique table members: 10441. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 13.10 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1805.2718 271 2398.0000 1805.2718 21787 24.72% 0 0 2001.8750 56 2398.0000 Cuts: 311 22725 16.52% 0 0 2020.6667 63 2398.0000 Cuts: 26 22757 15.74% * 0+ 0 2030.0000 2020.6667 22759 0.46% 0 0 cutoff 2030.0000 2020.6667 22759 0.46% Elapsed time = 21.49 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 79 Implied bound cuts applied: 22 Zero-half cuts applied: 18 Gomory fractional cuts applied: 4